Not until he called the secretary three times _________ that the manager went to an important meeting.
Our bad living habits will destroy the earth. Only by changing we live save the earth.
The changes in computer will in the near future.
She is in a poor of health, which worries her parents much.
Struck by the terrible earthquake, Wenchuan was from the outside.
Paper produced every year is the world’s production of vehiclesA three times weight of B three times the weight ofC as three times as heavy D three times so heavy as